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All results from a given calculation for C2H6N2O2 (Dimethylnitroamine)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at G4
 hartrees
Energy at 0K-339.491479
Energy at 298.15K-339.483735
HF Energy-339.684044
Nuclear repulsion energy260.484671
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3173 3062 3.51      
2 A 3170 3059 1.85      
3 A 3121 3012 29.98      
4 A 3116 3007 0.12      
5 A 3025 2919 43.13      
6 A 3019 2914 23.49      
7 A 1646 1589 277.18      
8 A 1516 1463 41.07      
9 A 1499 1447 15.99      
10 A 1497 1445 0.32      
11 A 1475 1423 10.66      
12 A 1472 1421 35.84      
13 A 1433 1383 5.61      
14 A 1348 1301 257.21      
15 A 1319 1273 1.04      
16 A 1278 1233 5.85      
17 A 1156 1116 46.17      
18 A 1128 1089 2.24      
19 A 1056 1019 12.32      
20 A 1009 974 68.73      
21 A 861 831 8.99      
22 A 791 763 15.45      
23 A 625 603 1.16      
24 A 616 595 9.68      
25 A 419 404 3.62      
26 A 359 347 2.02      
27 A 193 186 7.17      
28 A 135 131 0.20      
29 A 121 117 2.57      
30 A 109 105 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 20843.2 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 20113.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/6-31G(2df,p)
ABC
0.17506 0.13267 0.07823

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.357 -1.092 0.031
O2 -1.357 1.092 0.031
H3 1.233 -1.524 1.115
H4 2.272 -1.159 -0.290
H5 0.754 -2.061 -0.510
C6 1.239 -1.262 0.048
H7 1.233 1.524 1.115
H8 0.753 2.061 -0.510
H9 2.272 1.159 -0.290
C10 1.239 1.263 0.048
N11 -0.805 -0.000 -0.028
N12 0.565 -0.000 -0.216

Atom - Atom Distances (Å)
  O1 O2 H3 H4 H5 C6 H7 H8 H9 C10 N11 N12
O12.18432.84023.64352.38432.60203.83723.83224.28233.50501.22522.2244
O22.18433.83724.28223.83233.50502.84022.38413.64342.60181.22522.2243
H32.84023.83721.78481.77681.09813.04783.96463.20172.98362.78952.1301
H43.64354.28221.78481.77941.09133.20163.56642.31802.65403.29812.0643
H52.38433.83231.77681.77941.08833.96454.12123.56643.40452.62802.0900
C62.60203.50501.09811.09131.08832.98353.40452.65402.52502.40391.4553
H73.83722.84023.04783.20163.96452.98351.77681.78481.09812.78952.1301
H83.83222.38413.96463.56644.12123.40451.77681.77941.08832.62792.0900
H94.28233.64343.20172.31803.56642.65401.78481.77941.09133.29802.0643
C103.50502.60182.98362.65403.40452.52501.09811.08831.09132.40391.4553
N111.22521.22522.78953.29812.62802.40392.78952.62793.29802.40391.3827
N122.22442.22432.13012.06432.09001.45532.13012.09002.06431.45531.3827

picture of Dimethylnitroamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N11 O2 126.386 O1 N11 N12 116.805
O2 N11 N12 116.800 H3 C6 H4 109.347
H3 C6 H5 108.735 H3 C6 N12 112.047
H4 C6 H5 109.276 H4 C6 N12 107.614
H5 C6 N12 109.785 C6 N12 C10 120.299
C6 N12 N11 116.150 H7 C10 H8 108.736
H7 C10 H9 109.348 H7 C10 N12 112.047
H8 C10 H9 109.278 H8 C10 N12 109.783
H9 C10 N12 107.612 C10 N12 N11 116.140
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.400      
2 O -0.400      
3 H 0.137      
4 H 0.137      
5 H 0.170      
6 C -0.318      
7 H 0.137      
8 H 0.170      
9 H 0.137      
10 C -0.318      
11 N 0.587      
12 N -0.041      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.288 0.000 0.111 4.290
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 148.922
(<r2>)1/2 12.203